import com.mysql.jdbc.Connection;
import com.mysql.jdbc.jdbc2.optional.MysqlDataSource;

import javax.sql.DataSource;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:DELL
 * Date:2025-03-27
 * Time:22:17
 */
public class Demo2 {
    public static void main(String[] args) throws SQLException {
        DataSource dataSource=new MysqlDataSource();
        ((MysqlDataSource)dataSource).setURL("jdbc:mysql://127.0.0.1:3306/wang?characterEncoding=utf8&useSSL=false");
        ((MysqlDataSource)dataSource).setUser("root");
        ((MysqlDataSource)dataSource).setPassword("123456");
        Connection connection= (Connection) dataSource.getConnection();
        String sql="select * from student";
        PreparedStatement statement= connection.prepareStatement(sql);
        ResultSet resultSet= statement.executeQuery();
        while (resultSet.next()){
            int id=resultSet.getInt("id");
            String name=resultSet.getString("name");
            System.out.println("id="+id+",name="+name);
        }
        resultSet.close();
        statement.close();
        connection.close();


    }
}
